/*********************************************************************
*                SEGGER Microcontroller GmbH & Co. KG                *
*        Solutions for real time microcontroller applications        *
**********************************************************************
*                                                                    *
*        (c) 1996 - 2010  SEGGER Microcontroller GmbH & Co. KG       *
*                                                                    *
*        Internet: www.segger.com    Support:  support@segger.com    *
*                                                                    *
**********************************************************************

** emWin V5.06 - Graphical user interface for embedded applications **
emWin is protected by international copyright laws.   Knowledge of the
source code may not be used to write a similar product.  This file may
only be used in accordance with a license and should not be re-
distributed in any way. We appreciate your understanding and fairness.
----------------------------------------------------------------------
File        : WM__SendMessage.c
Purpose     : Implementation of WM__SendMessage
----------------------------------------------------------------------
*/

#include <stddef.h>           /* needed for definition of NULL */
#include "WM_Intern.h"

#if GUI_WINSUPPORT    /* If 0, WM will not generate any code */

/*********************************************************************
*
*       Defines
*
**********************************************************************
*/

#ifndef   GUI_MAX_MESSAGE_NESTING
  #define GUI_MAX_MESSAGE_NESTING 20
#endif

/*********************************************************************
*
*       Public code
*
**********************************************************************
*/
/*********************************************************************
*
*       WM__SendMessage
*/
void WM__SendMessage(WM_HWIN hWin, WM_MESSAGE* pMsg) {
  static int _EntranceCnt;
  WM_Obj* pWin;
  if (_EntranceCnt < GUI_MAX_MESSAGE_NESTING) {
    pWin = WM_HANDLE2PTR(hWin);
    pMsg->hWin = hWin;
    if (pWin->cb != NULL) {
      _EntranceCnt++;
      (*pWin->cb)(pMsg);
      _EntranceCnt--;
    } else {
      WM_DefaultProc(pMsg);
    }
  }
  #if GUI_DEBUG_LEVEL >= GUI_DEBUG_LEVEL_CHECK_PARA
  else {
    GUI_DEBUG_ERROROUT("Max. message nesting exceeded, Message skipped."); 
  }
  #endif
}

#else
  void WM__SendMessage_c(void);
  void WM__SendMessage_c(void) {} /* avoid empty object files */
#endif

/*************************** End of file ****************************/
